You have to be brave to go your own way in the regimented corporate world.
Even though diesel power dominates company car parks up and down the land, Lexus believes a petrol-electric hybrid is a better bet for delivering a winning blend of economy and performance. The manufacturer pioneered the concept back in 2006 with the first-generation GS 450h, and today nearly every model in the Lexus range features a hybrid option.
But how will the flagship version of the all-new GS fare against our current executive car champ, the BMW 5 Series? Not to mention the new bi-turbo version of the Audi A6 3.0-litre TDI, which has the power to rival the mighty BMW 535d and comes with the excellent quattro all-wheel-drive transmission.